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San Francisco 49ers quarterback Colin Kaepernick (7) passes as tight end Delanie Walker (46) waits to run a route during practice on Wednesday, Jan. 30, 2013, in New Orleans. The 49ers are scheduled to play the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)

San Francisco 49ers quarterback Colin Kaepernick (7) passes as tight end Delanie Walker (46) waits to run a route during practice on Wednesday, Jan. 30, 2013, in New Orleans. The 49ers are scheduled to play the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)